Malware Analysis Report

2025-01-18 12:36

Sample ID 240901-bly88awgmd
Target 4472308b26d97576bda38ee8976036af.bin
SHA256 745adf93af99455428f520e84dc1c8cb3715f5fbdfa80a4b52c41e0c0b748025
Tags
formbook bi05 discovery rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

745adf93af99455428f520e84dc1c8cb3715f5fbdfa80a4b52c41e0c0b748025

Threat Level: Known bad

The file 4472308b26d97576bda38ee8976036af.bin was found to be: Known bad.

Malicious Activity Summary

formbook bi05 discovery rat spyware stealer trojan

Formbook

Formbook payload

AutoIT Executable

Suspicious use of SetThreadContext

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 01:14

Signatures

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 01:14

Reported

2024-09-01 01:17

Platform

win7-20240708-en

Max time kernel

147s

Max time network

141s

Command Line

C:\Windows\Explorer.EXE

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2740 set thread context of 2800 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2800 set thread context of 1204 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2708 set thread context of 1204 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\Explorer.EXE

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\colorcpl.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\colorcpl.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2740 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2740 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2740 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2740 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2740 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2740 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\WerFault.exe
PID 2740 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\WerFault.exe
PID 2740 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\WerFault.exe
PID 2740 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\WerFault.exe
PID 1204 wrote to memory of 2708 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\colorcpl.exe
PID 1204 wrote to memory of 2708 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\colorcpl.exe
PID 1204 wrote to memory of 2708 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\colorcpl.exe
PID 1204 wrote to memory of 2708 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\colorcpl.exe
PID 2708 wrote to memory of 2604 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\SysWOW64\cmd.exe
PID 2708 wrote to memory of 2604 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\SysWOW64\cmd.exe
PID 2708 wrote to memory of 2604 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\SysWOW64\cmd.exe
PID 2708 wrote to memory of 2604 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe

"C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 316

C:\Windows\SysWOW64\colorcpl.exe

"C:\Windows\SysWOW64\colorcpl.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.sjin.info udp
US 8.8.8.8:53 www.pfrt-22-mb.click udp
US 8.8.8.8:53 www.nherited-traits-ant.bond udp
US 8.8.8.8:53 www.aopho.autos udp
US 8.8.8.8:53 www.oudya.shop udp
US 8.8.8.8:53 www.7winvn.net udp

Files

memory/2740-10-0x0000000000560000-0x0000000000564000-memory.dmp

memory/2800-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2800-13-0x0000000000880000-0x0000000000B83000-memory.dmp

memory/2800-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1204-15-0x0000000007470000-0x000000000757B000-memory.dmp

memory/2800-14-0x0000000000140000-0x0000000000154000-memory.dmp

memory/2708-17-0x0000000000760000-0x0000000000778000-memory.dmp

memory/2708-18-0x0000000000760000-0x0000000000778000-memory.dmp

memory/2708-19-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/1204-20-0x0000000007470000-0x000000000757B000-memory.dmp

memory/1204-22-0x0000000003FB0000-0x00000000041B0000-memory.dmp

memory/1204-25-0x0000000004EA0000-0x0000000004F3F000-memory.dmp

memory/1204-26-0x0000000004EA0000-0x0000000004F3F000-memory.dmp

memory/1204-28-0x0000000004EA0000-0x0000000004F3F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 01:14

Reported

2024-09-01 01:17

Platform

win10v2004-20240802-en

Max time kernel

136s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe

"C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2884 -ip 2884

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 696

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2884-10-0x0000000003FD0000-0x0000000003FD4000-memory.dmp